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Remove some unneeded casts. Avoid an assignment in the case of kmalloc failure. Break a few instances of if (foo) whatever; into two lines. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>